Joshua Young repeatedly denied to police that he or his father, Joshua Gouker, had anything to do with the murder of 14-year-old Trey Zwicker, according to recordings played for jurors Tuesday.

“My dad liked Trey, and so did I,” Young told Louisville Metro Police Homicide Detective Scott Russ during a June 21, 2011, interview. “I had nothing to do with it and I’m pretty sure my dad” didn’t either, saying his father was with Trey’s mother the night of the murder.

On the fifth day of testimony in Young’s trial for the killing of his stepbrother, Trey, prosecutors played audio and video interviews Young had with Russ. Young told the detective he last saw Trey getting ready for bed after a cookout on May 10, 2011.

“He said he was just going to take a shower and calm down for the night,” so Young said he left and went to a nearby cousin’s house to watch movies, where he fell asleep. Young said Trey didn’t tell him anything about sneaking out that night, “which is strange, cause he usually tells me everything, that’s my brother.”

Young said he had no idea who would have bludgeoned Trey to death in a creek bed behind Liberty High School on East Indian Trail. “At this point I really have no idea, he didn’t really have any enemies,” Young told Russ.

But Russ told Young his first and second versions to police were different, that he initially said he was with Trey as the teen took a shower and changed clothes that night. He later claimed he went to his cousin’s home when Trey went upstairs.

Young acknowledged his first version was “false” but said that he “never once talked about killing anybody” and never heard Gouker talk about it either.

After Gouker later implicated his son and Russ told Young he was under arrest for Trey’s murder, the detective said the teen had little reaction, saying only, “Yeah.”

After Young was arrested on June 23, 2011, Russ told Young that everyone else, including his father, had come forward and said what really happened with Trey and now was his chance to set the record straight.

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“I’m sticking to the story I told you,” Young told Russ.

Russ will be back on the stand today.

Earlier in the day, a state medical examiner testified that Trey was likely punched in the eye, sending him to the ground face first, unable to breathe, where he lay while beaten in the back and head with a metal pipe or rod.

The worst of Trey’s injuries was a skull fracture, Dr. Amy Burrows-Beckham testified, saying she couldn’t determine what weapon was used for that blow. Trey was likely punched in the face, then rolled over before the beating, she said.

Burrows-Beckham testified that after police told her a bat may have been used, she concluded it could have caused the head injury.

Cassie Gouker — Joshua Gouker’s neighbor, cousin and sometimes lover — has testified that Young woke her up after the murder, about 1:30 a.m., saying he killed Trey and needed her to drive him somewhere to get rid of a blood-stained baseball bat and clothing.

Also on Tuesday, Cassie Gouker’s boyfriend John Robertson testified that Young told him he killed Trey with a baseball bat, then took off his clothes and ran through the neighborhood naked before taking a shower.

In response to questions from the jury, which are being screened by the judge, Robertson testified that Joshua Gouker told him about the murder the next morning — before Trey’s body was found. Robertson also said he was afraid of Gouker, 33, who has already been convicted and sentenced to life in prison for the murder. Prosecutors argue he has tried to deflect blame from his son.

On Monday, Gouker testified he beat Trey to death with a pipe, saying “it just felt right” and that his son was not involved.

Gouker said he was angry that Trey’s mother had aborted his child. “I know it sounds monstrous ... but if we were in the Old Testament, it would be the same thing.”

Jason Bierman, an inmate who was a childhood friend of Trey’s father, Terry Zwicker, testified Tuesday that Gouker told him while they were incarcerated that he was getting an “eye for an eye,” revenge on Trey’s mother. He said that he had Young kill Trey, saying his son was a “demon child” who despised Trey and had no trouble killing the teen.